fix: handling of date with python 3.8/3.9/3.10

[benoitf]

use a function working on 3.8+

it was working with python 3.11+

Summary by Sourcery

Bug Fixes:

• Fixes date parsing to be compatible with Python 3.8+

[sourcery-ai]

Reviewer's Guide by Sourcery

The pull request modifies the date formatting in ramalama/oci.py to ensure compatibility with Python 3.9 and 3.10. The datetime.fromisoformat function is used to parse the date string, and the date string is preprocessed to replace '+0000' with '+00:00' to ensure that it is properly parsed.

Sequence diagram for listing models

sequenceDiagram
    participant User
    participant CLI
    participant OCI Registry

    User->>CLI: Request to list models
    CLI->>OCI Registry: List manifests (includes 'modified' date)
    OCI Registry-->>CLI: Manifests data (with 'modified' in string format)
    CLI->>CLI: Parse 'modified' date string to datetime object
    CLI->>CLI: Convert datetime object to ISO format
    CLI-->>User: List of models (with 'modified' in ISO format)

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File-Level Changes

Change	Details	Files
The date formatting was updated to be compatible with Python 3.9 and 3.10.	Replaced '+0000' with '+00:00' in the date string before parsing it.	ramalama/oci.py

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[sourcery-ai]

Hey @benoitf - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding a unit test to specifically cover the date format being handled here.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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